US8066835B2 - Method and apparatus for the production of mitered corner joints by vibration welding - Google Patents

Method and apparatus for the production of mitered corner joints by vibration welding Download PDF

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Publication number
US8066835B2
US8066835B2 US12/518,952 US51895207A US8066835B2 US 8066835 B2 US8066835 B2 US 8066835B2 US 51895207 A US51895207 A US 51895207A US 8066835 B2 US8066835 B2 US 8066835B2
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Prior art keywords
components
oscillations
frame
welding
miter
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Expired - Fee Related, expires
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US12/518,952
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English (en)
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US20100071834A1 (en
Inventor
Jörg Vetter
Peter Eugster
Beat Bruderer
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Fentech AG
Branson Ultraschall Niederlassung der Emerson Technologies GmbH and Co OHG
Original Assignee
Fentech AG
Branson Ultraschall Niederlassung der Emerson Technologies GmbH and Co OHG
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Assigned to FENTECH AG reassignment FENTECH AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BRUDERER, BEAT, EUGSTER, PETER
Assigned to BRANSON ULTRASCHALL reassignment BRANSON ULTRASCHALL ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: VETTER, JORG
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
    • B29C65/0609—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding characterised by the movement of the parts to be joined
    • B29C65/0618—Linear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
    • B29C66/1162—Single bevel to bevel joints, e.g. mitre joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/524—Joining profiled elements
    • B29C66/5243—Joining profiled elements for forming corner connections, e.g. for making window frames or V-shaped pieces
    • B29C66/52431—Joining profiled elements for forming corner connections, e.g. for making window frames or V-shaped pieces with a right angle, e.g. for making L-shaped pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/001—Profiled members, e.g. beams, sections
    • B29L2031/003—Profiled members, e.g. beams, sections having a profiled transverse cross-section
    • B29L2031/005—Profiled members, e.g. beams, sections having a profiled transverse cross-section for making window frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/778—Windows

Definitions

  • the present invention relates to a method and an apparatus for the production of mitered corner joints between two components by vibration welding.
  • Vibration welding methods for the production of mitered corner joints between frame parts of a rectangular frame, in particular, of a casement frame for windows and doors, are known from the patents EP 1 207 994 B1, EP 1 447 167 A1, EP 1 648 648 A1 and EP 1 656 231 A1.
  • the frame parts are set into oscillation by the oscillating heads of the vibration welding machines in such a way that the mutually contacting miter areas oscillate in the fixed miter plane (joint plane) oppositely phased under welding pressure in order to incur a frictional welding connection.
  • a similar vibration welding method for producing corner joints of a frame is known from DE 199 38 099 A1, wherein the frame parts are set into linear oscillations perpendicular to the frame plane, in order to rub, and thereby, to weld together the mutually contacting miter areas of the frame parts.
  • this vibration welding method as well, the relative movements of the mutually contacting miter areas of the frame parts occur in the fixed miter planes at the four corners of the frame.
  • the object of the present invention is to provide a method and an apparatus for producing a mitered corner joint between two components by vibration welding, in which the oscillation mode of the oscillations of the components, necessary for producing the welded connections, is as simple as possible.
  • Patent Claim 1 The method and the apparatus according to the invention for solving this objective are defined in Patent Claim 1 and Patent Claim 6 .
  • the two components are set into mutually perpendicular straight-line translational oscillations, whose phases are matched to each other in such a way that the miter areas of the two components oscillate at right angles to the fixed miter plane, and through the same, while they remain in contact under a prescribed welding pressure.
  • the translational oscillations of the two components are expediently synchronized in such a way that their frequencies and amplitudes are identical.
  • the method according to the invention is used to produce corner joints between components whose longitudinal extent is greater than their transverse extent, then the translational oscillations of the two components can proceed either in their longitudinal directions or in their transverse directions.
  • An essential advantage of the invention consists in that the components to be joined together are set solely in straight-line translational oscillations, which correspondingly simplifies the design and the arrangement of the oscillating heads required for this.
  • the welding pressure necessary for producing the welded connection is produced in that a force is exerted on each of the components, which is applied perpendicularly to the oscillation direction of the respective component. These forces are expediently transferred into the oscillating components via the oscillating heads.
  • the method and the apparatus according to the invention are particularly suited to produce mitered corner joints of a rectangular frame, such as of a casement frame or a fixed frame for windows, doors, jalousies, or the like.
  • the invention can be used anywhere, where two or more components are to be joined together at miter areas, for example, in the assembly of furniture.
  • FIGS. 1 to 3 schematic representations of a mitered corner joint in different positions during a welding operation
  • FIG. 4 a schematic top view of a vibration welding system for producing mitered corner joints of a frame consisting of four frame parts;
  • FIG. 5 a representation corresponding to FIG. 4 to illustrate the adjustability of the vibration welding system for processing frames of different sizes
  • FIG. 6 a schematic side view of the vibration welding system in FIG. 5 .
  • FIG. 1 shows schematically a mitered corner joint 2 between two components 4 a , 4 b , whose miter areas 6 , 8 are to be connected together by vibration welding.
  • the components 4 a , 4 b are designed as frame parts of a rectangular frame, the rest of which is not represented.
  • the components 4 a , 4 b can also be any other components, as long as they can be joined together by vibration welding.
  • the components 4 a , 4 b are composed of plastic or any other material that is suited for the vibration welding. Possibilities here include, for example, wood and a composite of wood and plastic. Material pairings suited for vibration welding are known in the state of the art, so that they are not discussed further here.
  • the mutually contacting miter areas 6 , 8 of the frame parts 4 a , 4 b are arranged before the welding procedure in an (imaginary) miter plane E.
  • the miter areas 6 , 8 and thus, the miter plane E respectively, enclose a miter angle of 45° with the longitudinal direction of the frame parts 4 a , 4 b .
  • the miter angle can also be different than 45°, as long as the miter areas 6 , 8 extend obliquely to the longitudinal direction of the associated frame part 4 a , 4 b.
  • the frame parts 4 a , 4 b are set into straight-line translational oscillations. As indicated by the double arrows S, the translational oscillations proceed in the longitudinal direction of the frame parts 4 a , 4 b , and thus, parallel to the frame plane (drawing plane of FIG. 1 ). This means that the frame part 4 a (in FIG. 1 ) oscillates in the horizontal direction, whereas the frame part 4 b (in FIG. 1 ) oscillates in the vertical direction.
  • FIGS. 2 and 3 show the position of the frame parts 4 a , 4 b during their oscillations in the one oscillation direction S v and the other oscillation direction S R .
  • the frame parts 4 a , 4 b have slid linearly in the oscillation direction S v so that their miter areas 6 , 8 have moved transverse to the (imaginary) fixed miter plane E up to an end position.
  • the frame parts 4 a , 4 b slide linearly in the oscillation direction S R , such that their miter areas 6 , 8 move through the fixed miter plane E, until they reach the end position lying on the other side of the miter plane E, as is shown in FIG. 3 .
  • the miter areas 6 , 8 of the frame parts 4 a , 4 b are pressed against each other during their oscillations with a prescribed welding pressure.
  • this is attained in that during the welding process a force F is exerted on each frame parts 4 a , 4 b whose line of action extends perpendicular, in each case, to the oscillation direction S of the affected frame part 4 a or 4 b.
  • the oscillations of the frame parts 4 a , 4 b should be matched to each other such that after the completion of the oscillation process the frame parts 4 a , 4 b and their miter areas 6 , 8 occupy the end position shown in FIG. 1 , in which the miter areas 6 , 8 are exactly congruent, that is, their complete surfaces are in contact with each other.
  • this is automatically attained due to the fact that the oscillators of the oscillating heads “settle” in the starting position due to their spring suspension. In principle, this can also be accomplished through a controlled or regulated deceleration of the oscillator.
  • the oscillation parameters expediently lie in the customary range for linear vibration welding.
  • the following ranges are given as examples:
  • the frame parts 4 a , 4 b perform the translational oscillations, in each case, in their longitudinal direction (double arrows S). It should be pointed out, however, that in principle, the same welding method results when the frame parts 4 a , 4 b do not oscillate in their longitudinal directions, but rather in their transverse directions, thus, perpendicular to the double arrows S. In this case, too, the miter areas 6 , 8 perform the sliding motion, relative to each other, parallel to the fixed miter plane E that is necessary for the friction welding procedure, even though the frame parts 4 a , 4 b are subjected solely to straight-line translational oscillations.
  • the described method for producing the mitered corner joint 2 is preferably used for producing complete frames, as described now in more detail based on FIG. 4 .
  • FIG. 4 shows in a schematic representation a vibration welding system for producing a frame from four frame parts 4 a , 4 b , 4 c , 4 d , which are connected together by four mitered corner joints 2 .
  • the frame is, in particular, a frame for a door or casement window; however, other frames are also conceivable, for example, for furniture, pictures, or the like.
  • the vibration welding system represented in FIG. 4 comprises eight linearly functioning oscillating heads 10 , each of which is composed of an oscillator 10 a and a stationary part 10 b .
  • the oscillating heads 10 are disposed such that their oscillators 10 a , in each case, engage at the end regions of the frame parts 4 a - d . Therefore, the oscillators 10 a of the oscillating heads 10 , and thus, the frame parts 4 a - d , can perform linear translational oscillations in their longitudinal directions, as is indicated by the double arrows S, and was previously described based on the FIGS. 1 to 3 .
  • the frame parts 4 a - d are held by the oscillators 10 a of the oscillating heads 10 through positive locking and/or frictional locking, as is conventional with vibration welding.
  • Frictional locking can be produced, for example, by clamping the frame parts at the oscillators 10 a .
  • Positive locking can be attained, for example, in that the oscillators 10 a grasp into bores of the frame parts 4 a - d by means of finger-like pins, which run transverse to the oscillation direction of the frame parts.
  • the eight oscillating heads 10 are driven synchronously. This means that the phases of the oscillators of the eight oscillating heads 10 are matched to each other such that their oscillators 10 a oscillate in the clockwise direction during their one half period, and counterclockwise during the other half period, as is indicated by the arrows S v in FIG. 4 .
  • the oscillation frequencies and the oscillation amplitudes of the eight oscillating heads 10 are the same. It is important here that all oscillations of the frame parts 4 a - d are purely linearly translational oscillations, such that simple linear oscillating heads can be used.
  • the welding of the four mitered corner joints 2 can occur without pane, or with a pane inserted in the frame parts 4 a - d .
  • the oscillations of the frame parts 4 a - d , required for the welding process, relative to an inserted pane can be enabled in that the pane is supported via elastic seals in the frame parts 4 a - d .
  • Another possibility consists in that the glass pane is held fixed in position by a robot using a suction cup mounting.
  • the panes are also already placed inside the frame parts, the lower pane can be supported on a fixed support, and the upper pane can, in turn, be held by a robot using a suction cup mounting (handling system).
  • each oscillating head 10 is provided.
  • the vibration welding system could also be constructed such that the frame parts 4 a - d do not oscillate in their longitudinal direction, but rather in their transverse direction, as was already mentioned above. Also in this case, either four or eight oscillating heads could be provided.
  • the vibration welding system represented in FIG. 4 can be constructed such that it can be used for producing mitered corner joints of different sized frames.
  • a correspondingly constructed vibration welding system is represented schematically in the FIGS. 5 and 6 .
  • a vibration welding system is shown with eight oscillating heads 10 for producing a frame composed of four frame parts 4 a - d , corresponding to FIG. 4 .
  • the oscillating heads 10 take on positions for welding of the smallest possible frames.
  • the largest possible frame that can be produced with the vibration welding system of FIGS. 5 , 6 is indicated by dot-dashed lines.
  • the dimensions of the smallest possible frame and the largest possible frame amount to, for example, 400 mm ⁇ 400 mm and 1000 mm ⁇ 1000 mm.
  • the eight oscillating heads 10 can be correspondingly adjusted.
  • two oscillating heads 10 assigned to a corner joint are disposed on an individual carrier plate 12 (right side in FIG. 5 ) or individual carrier plate 14 (left side in FIG. 5 ).
  • the individual carrier plates 12 are slidably supported on a double carrier plate 16
  • the individual carrier plates 14 are slidably supported on a double carrier plate 18 .
  • an adjustment apparatus 20 is provided that is constructed, for example, as a spindle drive.
  • the individual carrier plates 14 can be displaced on the double carrier plates 18 in the y-direction by an adjustment apparatus 22 that is also indicated as a spindle drive.
  • the two double carrier plates 16 , 18 for their part can be displaced in the x-direction (see the double arrow labeled x) relative to each other by a positioning device 24 .
  • the positioning device 24 can also be a spindle drive.
  • the eight oscillating heads 10 can be displaced between the positions shown in FIG. 5 , in order to enable the production of corner joints for frames of different sizes.
  • FIG. 5 indicates in a very schematic manner by dot-dashed lines pressing devices 26 , which exert forces F (see the double arrows) on the oscillating heads 10 transverse to their oscillating directions S, in order to create the welding pressure at the miter areas (joint areas) required for the vibration welding procedure.
  • the pressing devices 26 can be, for example, hydraulically or pneumatically actuated adjustment cylinders 28 , as is schematically indicated in FIG. 6 .
  • the entire vibration welding system is arranged on a U-shaped machine frame 30 , which is also indicated schematically in FIG. 6 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
US12/518,952 2006-12-12 2007-12-11 Method and apparatus for the production of mitered corner joints by vibration welding Expired - Fee Related US8066835B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP06025673A EP1932650B1 (de) 2006-12-12 2006-12-12 Verfahren und Vorrichtung zum Herstellen von Gehrungs-Eckverbindungen durch Vibrationsschweissen
EP06025673 2006-12-12
EP06025673.2 2006-12-12
PCT/EP2007/010826 WO2008071395A1 (de) 2006-12-12 2007-12-11 Verfahren und vorrichtung zum herstellen von gehrungs-eckverbindungen durch vibrationsschweissen

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US20100071834A1 US20100071834A1 (en) 2010-03-25
US8066835B2 true US8066835B2 (en) 2011-11-29

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US12/518,952 Expired - Fee Related US8066835B2 (en) 2006-12-12 2007-12-11 Method and apparatus for the production of mitered corner joints by vibration welding

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US (1) US8066835B2 (de)
EP (1) EP1932650B1 (de)
AT (1) ATE470557T1 (de)
DE (1) DE502006007191D1 (de)
DK (1) DK1932650T3 (de)
ES (1) ES2346994T3 (de)
PL (1) PL1932650T3 (de)
WO (1) WO2008071395A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11731369B2 (en) 2021-12-17 2023-08-22 Rohr, Inc. Vibration welding systems and methods

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR200808124U (tr) 2008-10-27 2010-05-21 MURAT MAKİNA SANAYİ VE TiCARET LİMİTED ŞİRKETİ Profil birleştirme sistemi
ITUB20155075A1 (it) * 2015-10-27 2017-04-27 Graf Synergy Srl Procedimento e impianto per la fabbricazione di serramenti

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5902657A (en) * 1995-01-27 1999-05-11 Andersen Corporation Vibratory welded window and door joints, method and apparatus for manufacturing the same
DE19938099A1 (de) 1999-08-12 2001-02-15 Exama Maschinen Gmbh Mehrkopf-Reibschweissverfahren und Vorrichtung zur Durchführung des Verfahrens
US6604668B2 (en) 1999-08-12 2003-08-12 Multi Orbital Systems Gmbh Multi-head friction welding method
EP1447167A1 (de) 2003-02-14 2004-08-18 Volker Rossner Verfahren und Vorrichtung zum Reibschweissen von Fügeflächen zweier Formteile
WO2005009663A1 (de) 2003-07-24 2005-02-03 Multi Orbital Systems Gmbh Orbital-reibschweissverfahren und vorrichtung zur durchführung des verfahrens
WO2005009664A1 (de) 2003-07-18 2005-02-03 Multi Orbital Systems Gmbh Mehrkopf-reibschweissverfahren und vorrichtung zur durchführung des verfahrens
US7122088B2 (en) * 2001-06-07 2006-10-17 Bystronic Solution Centre Inc. Method and apparatus for vibration welding of thermoplastic components

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5902657A (en) * 1995-01-27 1999-05-11 Andersen Corporation Vibratory welded window and door joints, method and apparatus for manufacturing the same
DE19938099A1 (de) 1999-08-12 2001-02-15 Exama Maschinen Gmbh Mehrkopf-Reibschweissverfahren und Vorrichtung zur Durchführung des Verfahrens
US6604668B2 (en) 1999-08-12 2003-08-12 Multi Orbital Systems Gmbh Multi-head friction welding method
US7122088B2 (en) * 2001-06-07 2006-10-17 Bystronic Solution Centre Inc. Method and apparatus for vibration welding of thermoplastic components
EP1447167A1 (de) 2003-02-14 2004-08-18 Volker Rossner Verfahren und Vorrichtung zum Reibschweissen von Fügeflächen zweier Formteile
WO2005009664A1 (de) 2003-07-18 2005-02-03 Multi Orbital Systems Gmbh Mehrkopf-reibschweissverfahren und vorrichtung zur durchführung des verfahrens
WO2005009663A1 (de) 2003-07-24 2005-02-03 Multi Orbital Systems Gmbh Orbital-reibschweissverfahren und vorrichtung zur durchführung des verfahrens

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Title
Translation of International Search Report mailed Jul. 16, 2009 (9 pages).

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11731369B2 (en) 2021-12-17 2023-08-22 Rohr, Inc. Vibration welding systems and methods

Also Published As

Publication number Publication date
EP1932650A1 (de) 2008-06-18
WO2008071395A1 (de) 2008-06-19
EP1932650B1 (de) 2010-06-09
US20100071834A1 (en) 2010-03-25
DE502006007191D1 (de) 2010-07-22
ES2346994T3 (es) 2010-10-22
ATE470557T1 (de) 2010-06-15
DK1932650T3 (da) 2010-10-04
PL1932650T3 (pl) 2010-11-30

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